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Displaying 176 - 200 of 238

Reference measurements of Hydrogen's Dielectric Permittivity

August 10, 2009
Author(s)
James W. Schmidt, Michael R. Moldover, Eric F. May
We used a quasi-spherical cavity resonator to measure the relative dielectric permittivity ε r of H 2 at frequencies from 2.4 GHz to 7.3 GHz, at pressures up to 6.5 MPa, and at the temperatures 273 K and 293 K. The resonator was calibrated using auxiliary

A Ferroelectric Oxide Directly on Silicon

April 17, 2009
Author(s)
Joseph C. Woicik, Maitri P. Warusawithana, Cheng Cen, Charles R. Sleasman, Yulan Li, Jeffery Kluga, Lena F. Kourkoutis, Hao Li, Li-Peng Wang, Michael Bedzyk, David A. Muller, Long-Qing Chen, Jeremy Levy, Darrell G. Schlom
Silicon and silicon dioxide form what is arguably the most important technological interface. With the end of Moore s-law scaling for silicon fast approaching, alternatives to silicon dioxide are being pursued that may enable new device architectures and

An Independent Measurement System for Testing Automotive Crash Warning Systems

April 2, 2009
Author(s)
Sandor S. Szabo, Joseph A. Falco, Richard J. Norcross
This report describes the National Institute of Standards and Technology's role in the Integrated Vehicle-Based Safety Systems (IVBSS) program, a four-year safety initiative sponsored by the United States Department of Transportation (U.S. DOT) to develop

Research at NIST-Boulder on the Compatibility of Hydrogen and Carbon Steels

February 18, 2009
Author(s)
Nicholas Nanninga
The demand for gaseous hydrogen fuel is expected to necessitate a consistent supply of hydrogen that can only be delivered through networks of existing and new pipelines and storage units. The focus of the Hydrogen Project at the National Institute of

Density and Speed of Sound Measurements of Jet A and S-8 Aviation Turbine Fuels

January 27, 2009
Author(s)
Stephanie L. Outcalt, Arno R. Laesecke, Malte B. Freund
The density and speed of sound were measured for three compositions of aviation jet fuel A, and a synthetic fuel (S-8) derived from the Fischer-Tropsch process. Measurements of density and speed of sound were carried out at ambient pressure (83 kPa) with a
Displaying 176 - 200 of 238